MV1A: Difference between revisions
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#rad1-3 0.25V 113khz triangle waveform | #rad1-3 0.25V 113khz triangle waveform | ||
#rad4-6 18.66kHz signal | #rad4-6 18.66kHz signal | ||
A1 from TC531001CF (128Kx8bit otp eprom) looks ok | |||
A0 from Z80 looks ok | |||
Revision as of 21:13, 23 March 2011
Mute Board
On MV4FS YM2610
- Datalines D0-D7 busy and healty on 4slot
- RAD0-RAD7 healthy static about 113kHz signals
- OP0 Clearly shows activity on sound
- SH1 and SH2 steady 55.56kHz signals
Mute MV1A
- rad0 18.66Khz signal
- rad1-3 0.25V 113khz triangle waveform
- rad4-6 18.66kHz signal
A1 from TC531001CF (128Kx8bit otp eprom) looks ok A0 from Z80 looks ok
